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Definition of ruby shark

ruby shark

Plural:ruby sharks
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• noun

1

A small, semi-aggressive freshwater fish of the carp family native to Southeast Asian river basins, characterized by a dark, elongated body and vibrant red fins, widely kept in the aquarium trade.

Example

"The aquarist introduced a juvenile ruby shark to the tank, providing plenty of hiding spaces among the driftwood."

Synonyms
View all synonyms for ruby shark

Word Nuance & Usage

Despite its common name, the ruby shark is not a true cartilaginous shark, but rather a freshwater member of the minnow and carp family.

• Nearby Words

rubus
ruby
ruby falls
ruby shark
ruby-throated hummingbird
rubythroat
rucksack

Cite this Entry

Wordmom. (2026). Definition of Ruby shark. In Wordmom Dictionary. Retrieved Oct 19, 2026, from https://wordmom.com/dictionary/ruby%20shark
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